Vulnerability Description
OpenClaw versions prior to 2026.3.2 contain a vulnerability in the stageSandboxMedia function in which it fails to validate destination symlinks during media staging, allowing writes to follow symlinks outside the sandbox workspace. Attackers can exploit this by placing symlinks in the media/inbound directory to overwrite arbitrary files on the host system outside sandbox boundaries.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.3.2 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/17ede52a4be3034f6ec4b883ac6b81ad0101Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-cfvj-7rx7-fc7cMitigationVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-symlink-traversal-in-stagesandboxmThird Party Advisory
FAQ
What is CVE-2026-31990?
CVE-2026-31990 is a vulnerability with a CVSS score of 6.1 (MEDIUM). OpenClaw versions prior to 2026.3.2 contain a vulnerability in the stageSandboxMedia function in which it fails to validate destination symlinks during media staging, allowing writes to follow symlink...
How severe is CVE-2026-31990?
CVE-2026-31990 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-31990?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.